Introduction,Electricals & Electronics,Refrigerator & domestic air-conditioners,Primary & secondary refrigerants,Lubrication,Thermal insulation,Gas charging, testing & faults diagnosis,Commercial RAC plants & Car air-conditioners,Analysis of Carnot cycle,Electronic controls, transistors,Commercial compressor & capacity control,Water cooled condenser, cooling tower,chillers& Refrigerant controls,Food Preservation, Refrigerants,Ducts,Psychrometry, Heat load estimation, Commissioning & preventive maintenance of different plants